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CVE Database

CVE-2013-4396

Impact: Important
Public: 2013-10-08
CWE: CWE-825
Bugzilla: 1014561: CVE-2013-4396 xorg-x11-server: use-after-free flaw when handling ImageText requests

Details

The MITRE CVE dictionary describes this issue as:

Use-after-free vulnerability in the doImageText function in dix/dixfonts.c in the xorg-server module before 1.14.4 in X.Org X11 allows remote authenticated users to cause a denial of service (daemon crash) or possibly execute arbitrary code via a crafted ImageText request that triggers memory-allocation failure.

Find out more about CVE-2013-4396 from the MITRE CVE dictionary and NIST NVD.

CVSS v2 metrics

Base Score: 7.4
Base Metrics: AV:A/AC:M/Au:S/C:C/I:C/A:C
Access Vector: Adjacent Network
Access Complexity: Medium
Authentication: Single Instance
Confidentiality Impact: Complete
Integrity Impact: Complete
Availability Impact: Complete

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Red Hat security errata

Platform Errata Release Date
Red Hat Enterprise Linux version 5 (xorg-x11-server) RHSA-2013:1426 October 15, 2013
Red Hat Enterprise Linux version 6 (xorg-x11-server) RHSA-2013:1426 October 15, 2013

External References

Acknowledgements

Red Hat would like to thank the X.Org security team for reporting this issue. Upstream acknowledges Pedro Ribeiro as the original reporter.

This page is generated automatically and has not been checked for errors or omissions.

For clarification or corrections please contact the Red Hat Security Response Team.